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Re: [Bug-gnubg] Invert direction - bug / feature request + gnubg IDs


From: Wayne Joseph
Subject: Re: [Bug-gnubg] Invert direction - bug / feature request + gnubg IDs
Date: Fri, 19 Dec 2014 18:33:37 -0000

MM >> the Position ID was not accompanied by its corresponding Match ID. A
Position ID can only be interpreted correctly after checking the Dice Owner
field of the Match ID.
...
MM >> Paste the two as a unit into GnuBg.

-----------------------------------------------

Thanks for the tips Mike, this information is good to know.

I looked through but I couldn't find your guidance in the gnubg manual
(http://www.gnu.org/software/gnubg/manual/gnubg.html). But maybe I missed
it.

Suggestion: when positions are saved from gnubg in *.txt format for
subsequent posting online as explanatory ASCII diagrams, would it be more
user friendly to present the IDs together on one line? 

So rather than..

GNU Backgammon  Position ID: DCBwdwcE8IE9Qw
                 Match ID   : cAngAAAAAAAA

We get something displayed like..

GNU Backgammon ID 
DCBwdwcE8IE9Qw:cAngAAAAAAAA

I could be misunderstanding, but this single line would seem to me to be
easier to copy and paste. I don't really see the value of separating them
onto two lines, especially as you explained that generally the position ID
is not very useful on its own (and I guess pasting the match position in on
its own is not that useful either).

Thanks again.

Wayne


-----Original Message-----
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Sent: 19 December 2014 17:00
To: address@hidden
Subject: Bug-gnubg Digest, Vol 145, Issue 6

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Today's Topics:

   1. Re: Invert direction - bug / feature request (Ian Shaw)
   2. Re: Invert direction - bug / feature request (Taper_Mike)


----------------------------------------------------------------------

Message: 1
Date: Thu, 18 Dec 2014 17:56:58 +0000
From: Ian Shaw <address@hidden>
To: Wayne Joseph <address@hidden>, "address@hidden"
        <address@hidden>
Subject: Re: [Bug-gnubg] Invert direction - bug / feature request
Message-ID:
        
<address@hidden>
        
Content-Type: text/plain; charset="utf-8"

Hi Wayne,

You appear to have something odd happening. Your image looks like the bars
containing the point numbers have been swapped around using Cut and Paste.

When I do the steps you ask, I have the top player (White) on roll with 31
to play. This is indicated by the white arrow next to the numerical marker
for Point 1; it?s at the top, not the bottom as shown in your picture. This
behaviour looks completely correct to me.

Please note that the position you have is rather unusual, with both players
having a huge number of men back (and pip counts over 200).

This looks to me like somebody has set up the position incorrectly, with the
pieces for the players swapped over, and presented it to you. (I suspect the
top and bottom rows of point numbers have been swapped manually in the image
from rec.games.backgammon. When gnubg produces such an image, the bottom
player is X and the top player is O).

If so, this would be the equivalent position with the pieces set up
correctly Position ID: mDfwAUS4uwMBDA Match ID: cIkFAAAACAAA The pip counts
are 123 to 158, which looks a lot more normal to me.

I hope this helps.

Regards,
Ian Shaw

From: address@hidden
[mailto:address@hidden On Behalf Of
Wayne Joseph
Sent: 17 December 2014 18:37
To: address@hidden
Subject: Re: [Bug-gnubg] Invert direction - bug / feature request


>> Does using the "Game" menu and "Swap Players" option do what you are
looking for?

Hi,

I did retry this today but it still didn't give the desired result for me.

I am using gnubg v1.03.000-mingw 20140804

If you have a spare 10 minutes please could you try this test?

On your version of gnubg..

1. Paste in  GNU Backgammon  Position ID: DCBwdwcE8IE9Qw

then

2. > menu game->swap players

After doing the above, please can you confirm that you get this board
BCconfiguration?

http://i.imgur.com/Gm2WOdB.png

Thanks again
On 17 Dec 2014 17:00,
<address@hidden<mailto:address@hidden>> wrote:
Hi,
I was given this problem on rgb backgammon with the position ID -
DCBwdwcE8IE9Qw

----------------------------------------------------------------------------
--------------------------

 GNU Backgammon  Position ID: DCBwdwcE8IE9Qw
                 Match ID   : cAngAAAAAAAA
 +13-14-15-16-17-18------19-
20-21-22-23-24-+     X: YOUR OPPONENT
 | O              X |   | X     X  O       |     0 points
 |                X |   | X     X  O       |
 |                  |   | X                |
 |                  |   | X                |
 |                  |   |                  |
v|                  |BAR|                  |     7 point match (Cube: 1)
 | X                |   |                  |
 | X                |   |                  |
 | X              O |   | O  O  O          |
 | X              O |   | O  O  O          |     On roll
 | X              O | X | O  O  O  X       |     0 points
 +12-11-10--9--8--7-------6--5--4--3--2--1-+     O: YOU
                    Pip counts : O 252, X 242

You rolled 31 what would you play and what is it from the above?
You rolled 62 what would you play and what is it from the above?
You rolled 66 what would you play and what is it from the above?

----------------------------------------------------------------------------
--------------------------
When I pasted DCBwdwcE8IE9Qw into gnubg I found that the direction was
wrong. Is there a way to quickly and easily invert the direction and pip
numbers so that I would be bearing off to the bottom right, instead of the
top right?
I have attached two screenshots to illustrate:

2014-12-15 13_52_04-GNU Backgammon - Invert direction - original.png

and

2014-12-15 13_52_04-GNU Backgammon - Invert direction - reversed.png The
reversed image state is what I would like to achieve. Also I guess the dice
should be on the right hand side of the board if it is my turn to move (now
anticlockwise and down instead of clockwise and up)

Perhaps this could be added as a toggle button, or a menu item in Options?
Please let me know what you think and if you received this email
successfully?

Thanks for your time.
Wayne (sebalotek)

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------------------------------

Message: 2
Date: Thu, 18 Dec 2014 14:29:37 -0800
From: "Taper_Mike" <address@hidden>
To: <address@hidden>
Subject: Re: [Bug-gnubg] Invert direction - bug / feature request
Message-ID: <address@hidden>
Content-Type: text/plain;       charset="us-ascii"

Wayne Joseph reports that the GNU Backgammon  Position ID: DCBwdwcE8IE9Qw,
when pasted into GnuBg, does not produce the desired result. 

The reason for this is because the Position ID was not accompanied by its
corresponding Match ID. A Position ID can only be interpreted correctly
after checking the Dice Owner field of the Match ID. The first part of a
Position ID contains checker positions for the player who is not the dice
owner. The second part contains checker positions for the dice owner. In the
absence of a Match ID, GnuBg must guess which player owns the dice. 

Obviously, this information will not be of help if you do not have access to
the Match ID for your position. You might, however, try tricking GnuBg. Set
up any position where the dice owner is the player you need. Copy the Match
ID for this position, and pair it with the Position ID you are having
trouble with. Paste the two as a unit into GnuBg.

Hope this helps.

Mike Mannon





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